keep everything exactly the same only change the colour of the two concrete materials upper level concrete change the current salmon colour to a light warm grey with only a very slight touch of salmon it must look mainly grey the salmon should only be a subtle undertone ground floor concrete change the current light green colour to a light warm grey with only a very slight touch of pale green it must look mainly grey the green should only be a subtle undertone very important both concrete materials should now read primarily as light grey upper level light grey very subtle salmon undertone ground floor light grey very subtle pale green undertone keep everything else exactly as it is do not change geometry textures aggregates joints glazing red aluminium flooring camera lighting or shadows only change these two colours